html, body, div, span, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
abbr, address, cite, code,
del, dfn, em, img, ins, kbd, q, samp,
small, strong, sub, sup, var,
b, i,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section, summary,
time, mark, audio, video {
    margin:0;
    padding:0;
    border:0;
    outline:0;
    font-size:100%;
    vertical-align:baseline;
    background:transparent;
}
html{
    width:100%;
}
body {
    line-height:1;
    font-family: 'microsoft yahei', "Arial", sans-serif;
    font-size:14px;
    box-sizing: border-box;
}

:focus {
    outline: 1;
}

article,aside,canvas,details,figcaption,figure,
footer,header,hgroup,menu,nav,section,summary { 
    display:block;
}
a{
    text-decoration: none;
}
nav ul {
    list-style:none;
}
ul li{
    list-style: outside none none;
}
blockquote, q {
    quotes:none;
}

blockquote:before, blockquote:after,
q:before, q:after {
    content:'';
    content:none;
}

a {
    margin:0;
    padding:0;
    border:0;
    font-size:100%;
    vertical-align:baseline;
    background:transparent;
}

ins {
    background-color:#ff9;
    color:#000;
    text-decoration:none;
}

mark {
    background-color:#ff9;
    color:#000; 
    font-style:italic;
    font-weight:bold;
}

del {
    text-decoration: line-through;
}

abbr[title], dfn[title] {
    border-bottom:1px dotted #000;
    cursor:help;
}

table {
    border-collapse:collapse;
    border-spacing:0;
}

hr {
    display:block;
    height:1px;
    border:0;   
    border-top:1px solid #cccccc;
    margin:1em 0;
    padding:0;
}

input, select {
    vertical-align:middle;
}
iframe{
    min-height: 600px;
}
.clearfix{
    &:after{
        content: '';
        display: block;
        clear: both;
    }
}
//公共顶部和底部
.header{ 
    width:100%;
    height: 100px;
    background: #0078d7;
    position: absolute;
    top:0;  
    left:0;  
    line-height: 100px;
    img{
        display: inline-block;
        position: absolute;
        top:50%;
        left:50%;
        transform: translate(-50%,-50%);
        -ms-transform: translate(-50%,-50%);
    }
    .logo{
        margin-left:-330px;
    }
    .txt1{
        margin-left:330px;
    }
}
 footer{
    width:100%;
    height: 90px;
    background:rgba(100,100,100,.5);
    position: absolute;
    bottom: 0;
    left: 0;
    z-index: 2;
    .con{
        width:1030px;
        height: 100%;
        margin: 0 auto;
        position: absolute;
        z-index: 3;
        left:50%;
        transform: translateX(-50%);
        -ms-transform: translateX(-50%);
        >img{
            position: absolute;
            top:50%;
            transform: translateY(-50%);
            -ms-transform: translateY(-50%);
        }
        .btm_left{
            left:10px;
        }
        .btm_right{
            right: 10px;
        }
        .cen{
            width:80%;
            position: absolute;
            top:50%;
            left:50%;
            transform: translate(-50%,-50%);
            -ms-transform: translate(-50%,-50%);
            p{
                font-size: 12px;
                color: #fff;
                line-height: 18px;
                text-align: center;
                em{
                    display: inline-block;
                    width: 18px;
                    height: 20px;
                    background: url(../img/btm_pic2.png) no-repeat center;
                    background-size:100%;
                    vertical-align: middle;
                    margin:0 7px;
                }
            }
        }
    }
}